From shopping sales to clipping coupons, it’s all about the strategy when it comes to pinching pennies. And apparently, some cities are home to people that are more skilled at it than others.

Coupons.com revealed the most frugal cities in the US for 2018, based on its Coupons.com Savings Index, which tracks digital coupons selected to be printed from its website and partner sites, normalized per person for metro areas with populations of at least 1.5 million.

To determine the list, they ranked the cities by how much shoppers clip coupons beyond the average. For example, shoppers in Philadelphia clipped 1.9 times more coupons than the national average.

Shoppers across the country were smart about saving money, but the majority of the top 20 most frugal cities are located in the South.

Below, see the top cities where shoppers clipped at least 1.1 times more coupons than the average. We have ranked the cities based on the average savings per couponer, from lowest to highest.